Plasticity Improvement of Ball-Spun Magnesium Alloy Tube Based on Stress Triaxiality

Figure 8

Cloud diagram of relative stress triaxiality for different amounts of thinning. (a) R = 3 mm, f = 0.2 mm/r, and Δt = 0.1 mm. (b) R = 3 mm, f = 0.2 mm/r, and Δt = 0.2 mm. (c) R = 3 mm, f = 0.2 mm/r, and Δt = 0.4 mm.

(a)

(b)

(c)